ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,617, issued on Feb. 3, was assigned to HYDRABLAST TECHNOLOGIES INC. (Houston).
"Multi-component plunger seal system for a pump and method" was invented by Dieter A. Tischler (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plunger seal system seals in a cylinder with a bore and a plunger slidably engaged in the bore. A seat for the plunger to slide therein restrains longitudinal movement of the system. A seat surface has a conical shape to interface with a backup ring with a conical shape. A U-cup seal adjacent the ring faces a cylinder pressurized portion. A longitudinal sleeve is radially disposed inward of the ring and U-cup seal and outw...